There are 5 United States Postal Service post boxes available to the public in Plymouth, CA. You can use any one of these locations to mail your letter or small package. For additional collection boxes in neighboring communities, see the list of post boxes in California.

Are you looking for a post office? See the list of post offices in Plymouth, CA.

Public Collection Box
9477 Main St
Directions
Public Collection Box
18170 State Highway 49
Directions
Mailbox in Post Office Lobby
10781 Water St
Directions
Public Collection Box
14283 Jibboom St
Directions
Public Collection Box
460 Hwy 49
Directions